/Engine/Source/Runtime/Experimental/Chaos/Public/GeometryCollection/GeometryCollectionClusteringUtility.h
Get list of all bones above the specified hierarchy level
static void GetBonesToLevel ( const [FGeometryCollection](API\Runtime\Chaos\GeometryCollection\FGeometryCollection) * GeometryCollection, int32 Level, [TArray](API\Runtime\Core\Containers\TArray)< int32 > & BonesOut, bool bOnlyClusteredOrRigid, bool bSkipFiltered )